Carbon Nanotube Current Events

Carbon Nanotube Current Events, Carbon Nanotube News Articles.
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Signature analysis of single molecules using their noise signals
Japanese researchers obtain unique noise signatures from single molecules interacting with carbon nanotube-based electronic devices. (2017-07-11)

Researchers test carbon nanotube-based ultra-low voltage integrated circuits
A team of researchers from Peking University in Beijing, China, and Duke University in Durham, North Carolina, has demonstrated that carbon nanotube-based integrated circuits can work under a supply voltage much lower than that used in conventional silicon integrated circuits. (2012-06-22)

Carbon nanotube forest camouflages 3-D objects
Researchers demonstrate that a carbon nanotube coating can absorb light nearly perfectly, making structural details disappear into a black background. (2011-11-21)

Researchers make breakthrough in the production of double-walled carbon nanotubes
In recent years, the possible applications for double-walled carbon nanotubes have excited scientists and engineers, particularly those working on developing renewable energy technologies. These tiny tubes, just two carbon atoms thick, are thin enough to be transparent, yet can still conduct electricity. This combination makes them well-suited for advanced solar panels, sensors and a host of other applications (2008-12-22)

Stirring research provides recipe for nanotube success
In a set of experiments reported in the Jan. 30 Physical Review Letters, NIST reseachers provide insights into how to manufacture polymers that contain nanotubes more efficiently. In recent years, these tubes of graphite many times thinner than a human hair have become a much-touted emerging technology because of their potential ability to add strength and other important properties to materials. (2004-01-30)

Faster computers with nanotechnology
The silicon transistors in your computer may be replaced in ten years by transistors based on carbon nanotubes. This is what scientists at the University of Gothenburg are hoping -- they have developed a method to control the nanotubes during production. (2010-05-31)

Clean carbon nanotubes with superb properties
Scientists at Aalto University, Finland, and Nagoya University, Japan, have found a new way to make ultra-clean carbon nanotube transistors with superior semiconducting properties. (2019-11-19)

Neural networks will help manufacture carbon nanotubes
A team of scientists from Skoltech's Laboratory of Nanomaterials proposed a neural-network-based method for monitoring the growth of carbon nanotubes, preparing the ground for a new generation of sophisticated electronic devices. The results of the study were published in Carbon Journal. (2019-08-08)

Carbon nanotube structures changed by 'attack' from within, researchers discover
A team of researchers involving scientists from The University of Nottingham has shown for the first time that chemical reactions at the nano-level which change the structure of carbon nanotubes can be sparked by an (2011-08-16)

Strong magnetic field converts nanotube from metal to semiconductor and back
By threading a magnetic field through a carbon nanotube, scientists have switched the molecule between metallic and semiconducting states, a phenomenon predicted by physicists some years ago, but never before clearly seen in individual molecules. (2004-05-20)

Dropping nano-anchor
Researchers at the Department of Energy's Pacific Northwest National Laboratory in Richland, Wash., and the University of Washington say they can control the deposition of anchor molecules on a carbon nanotube, 10,000 times smaller than a human hair, without muting the nanotube's promising physical properties. (2005-03-17)

Molecular traffic jam makes water move faster through nanochannels
New Northwestern University research finds that water molecules traveling through tiny carbon nanotube pipes do not flow continuously but rather intermittently, like stop-and-go traffic, with unexpected results. (2014-02-06)

Why are alloy metal nanoparticles better than monometallic ones for CNT growth?
Revealing a long-term mystery of why certain nanoparticles are more efficient in incorporating carbon atoms and achieving a faster carbon nanotube growth. (2019-12-19)

Nanotube production leaps from sooty mess in test tube to ready formed chemical microsensors
Carbon nanotubes' potential as a super material is blighted by the fact that when first made they often take the form of an unprepossessing pile of sooty black mess in the bottom of a test tube. Now researchers in the University of Warwick's department of chemistry have found a way of producing carbon nanotubes in which they instantly form a highly sensitive ready made electric circuit. (2008-05-06)

The fight for the best quantum bit (qubit)
Post-doc Henrik Ingerslev Jørgensen from the Nano-Science Center, located at the Niels Bohr Institute at the University of Copenhagen, has come an important step closer to the quantum computer. The journal Nature Physics has just published the researcher's groundbreaking discovery. (2008-06-25)

New kind of transistor radios shows capability of nanotube technology
Carbon nanotubes have a sound future in the electronics industry, say researchers who built the world's first all-nanotube transistor radios to prove it. (2008-01-28)

Superplastic behavior revealed in carbon nanotubes
Carbon nanotubes used in the electronics such as cell phones might have a longer life thanks to a strengthening technique pioneered by researchers at the Lawrence Livermore National Laboratory, Boston College and Massachusetts Institute of Technology. (2006-01-19)

Carbon nanotubes could make efficient solar cells
Using a carbon nanotube instead of traditional silicon, Cornell researchers have created the basic elements of a solar cell that hopefully will lead to much more efficient ways of converting light to electricity than now used in calculators and on rooftops. (2009-09-10)

Memory in artificial atoms
Nanophysicists have made a discovery that can change the way we store data on our computers. This means that in the future we can store data much faster, and more accurate. Their discovery has been published in the scientific journal Nature Physics. (2008-04-07)

USC scientists 'clone' carbon nanotubes to unlock their potential for use in electronics
Scientists have developed a method of (2012-11-14)

Submarines could use new nanotube technology for sonar and stealth
Speakers made from carbon nanotube sheets that are a fraction of the width of a human hair can both generate sound and cancel out noise -- properties ideal for submarine sonar to probe the ocean depths and make subs invisible to enemies. That's the topic of a report on these (2010-09-01)

NIST develops rapid method for judging nanotube purity
Researchers at NIST have developed a sensitive new method for rapidly assessing the quality of carbon nanotubes. Initial feasibility tests show that the method not only is faster than the standard analytic technique, but also effectively screens much smaller samples for purity and consistency and better detects sample variability. (2007-02-01)

Boston College Researchers discover 2 early stages of carbon nanotube growth
Orderly rows of neatly aligned carbon nanotubes have served as the standard for nanotechnology researchers. But two Boston College physicists report in the journal Nanotechnology the discovery of two early stages of carbon nanotube growth that produce tangled or semi-aligned tubes with characteristics that could lend themselves to thermal management and other applications. (2011-10-03)

Making sure the wonder materials don't become the wonder pollutant
As useful as nanotubes may be, the process of making them may have unintentional and potentially harmful impacts on the environment. (2008-04-08)

Submarines could use new nanotube technology for sonar and stealth
Speakers made from carbon nanotube sheets that are a fraction of the width of a human hair can both generate sound and cancel out noise -- properties ideal for submarine sonar to probe the ocean depths and make subs invisible to enemies. That's the topic of a report on these (2010-07-14)

Electron nanodiffraction technique offers atomic resolution imaging
A new imaging technique that uses electron diffraction waves to improve both image resolution and sensitivity to small structures has been developed by scientists at the University of Illinois at Urbana-Champaign. The technique works on the same principle as X-ray diffraction, but can record structure from a single nanostructure or macromolecule. (2003-05-29)

Video shows nanotube spins as it grows
New video showing the atom-by-atom growth of carbon nanotubes reveals they spin stepwise as they grow, much like a ticking clock. Published online this month by researchers at France's Université Lyon1/CNRS and Houston's Rice University, the research provides the first experimental evidence of how individual atoms are added to growing nanotubes. (2009-07-27)

On the cutting edge: Carbon nanotube cutlery
Researchers at NIST and the University of Colorado at Boulder have designed a prototype carbon nanotube (2006-11-22)

University group receives $1 million for hydrogen-generating research
The University of Nevada, Reno's Materials Nanotechnolgy Research Group, under the direction of Manoranjan Misra, professor of materials science in the Department of Chemical and Metallurgical Engineering, has developed titanium dioxide nanotube arrays for generating hydrogen by splitting water using solar light. The group received $1 million from the U.S. Department of Energy to fund the project. (2005-10-21)

Livermore researchers use carbon nanotubes for molecular transport
Molecular transport across cellular membranes is essential to many of life's processes, for example electrical signaling in nerves, muscles and synapses. (2008-06-09)

New hybrid nanostructures detect nanoscale magnetism
Researchers at Rensselaer Polytechnic Institute have created a new process for growing a single multi-walled carbon nanotube that is embedded with cobalt nanostructures. Using this new hybrid material, the team determined that the electrical conductance of MWCNTs is sensitive enough to detect and be affected by trace amounts of magnetic activity. It is believed to be the first instance of demonstrating the detection of magnetic fields of such small magnets using an individual carbon nanotube. (2008-12-08)

NIST uncovers reliability issues for carbon nanotubes in future electronics
Carbon nanotubes theoretically can carry 1,000 times more electric current than a metal conductor of the same size, so researchers hope they might replace copper wiring in future nanoscale electronics, but recent tests at NIST suggest device reliability is a major issue. (2011-08-17)

Unzipping graphene nanotubes into nanoribbons
In a new study published in EPJ B, Basant Lal Sharma from the Indian Institute of Technology Kanpur provides a detailed analysis of how the flow of heat and electrons is affected at the interface between an 'armchair' shaped carbon nanotube and a zigzagging nanoribbon made up of a single-layer carbon honeycomb sheet of graphene. Applications of this method can help us understand the propagation of electrons and thermal flow in graphene and similar materials for electromagnetic devices. (2018-06-05)

Densest array of carbon nanotubes grown to date
Carbon nanotubes' outstanding mechanical, electrical and thermal properties make them an alluring material to electronics manufacturers. However, until recently scientists believed that growing the high density of tiny graphene cylinders needed for many microelectronics applications would be difficult. Now a team from Cambridge University in England has devised a simple technique to increase the density of nanotube forests grown on conductive supports about five times over previous methods. (2013-09-20)

Boston College scientists stretch carbon nanotubes
Physicists at Boston College have for the first time shown that carbon nanotubes can be stretched at high temperature to nearly four times their original length, a finding that could have implications for future semiconductor design as well as in the development of new nanocomposites. (2006-01-18)

Much ado about nanotubes
Physicists tell us that the world of ultra-small atomic tubular structures is soon going to revolutionize our lives in the form of micromachinery. (2002-04-24)

Carbon nanotube finding could lead to flexible electronics with longer battery life
University of Wisconsin-Madison materials engineers have made a significant leap toward creating higher-performance electronics with improved battery life -- and the ability to flex and stretch. The team has reported the highest-performing carbon nanotube transistors ever demonstrated. In addition to paving the way for improved consumer electronics, this technology could also have specific uses in industrial and military applications. (2015-01-14)

Good vibrations in the nanoworld
Accessing vibrational modes of molecular chains at the site of a specific atom in molecules is no longer a dream. Using a scanning tunneling microscopy technique, the vibrational modes of carbon nanotubes have been mapped with sub-nanometer spatial resolution. This allows the study of the role of local defects and demonstrates the crucial importance of nanotubes for the electronic and mechanical properties of nanotubes. (2004-09-28)

Add nanotubes and stir -- with the right force
Polymer scientists at NIST have shown how the amount of force applied while mixing carbon nanotube suspensions influences the way the tiny cylinders ultimately disperse and orient themselves, which largely dictates the properties of the resultant materials. The results, published in Physical Review Letters, have implications for researchers and companies developing new, advanced composite materials with carbon nanotubes. (2006-07-20)

Transparent material breakthrough
A program co-funded by the Air Force Office of Scientific Research (AFOSR) was chosen by Time Magazine for its List of Best Inventions of 2011. A University of Texas at Dallas (UTD), team succeeded in producing what is technically referred to as the (2011-11-21)

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